Although voice recognition technologies have been around for many years the technologies have a long way to go before they truly recognize natural conversation.
Things to consider when designing for speech interactions and touchless operations:
- The voice persona.
- Provide immediate feedback for every speech input.
- Is active voice vs. passive voice preferable.
- Is voice support absolutely necessary.
- Will voice be used for both input and output.
- Environmental barriers e.g. people around you listening in to your voice commands, privacy concerns.
- Error rates in speech recognition can lead to abandonment of the product.
- Avoid modes, but allow users to quickly turn speech recognition on/off or easily switch to other ways of interaction.
- Use speech when the user's eyes and hands are busy.
- Developing the right voice interactions can make the user experience more human.
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